Role of open dumping and open burning of solid waste in the generation of microplastics and products of incomplete combustion on tribal lands

露天倾倒和露天焚烧固体废物在部落土地上产生微塑料和不完全燃烧产物中的作用

基本信息

项目摘要

Project Summary “Role of Open Dumping And Open Burning Of Solid Waste In The Generation Of Microplastics And Products Of Incomplete Combustion On Tribal Lands” This research project addresses two critical issues in tribal lands caused by open dumping and burning: 1) potential generation of secondary microplastics which are currently under intense investigation worldwide due to their unknown health and environmental effects and 2) generation of volatile organic compounds (VOCs) which include a wide array of potential toxic substances. Open dumping and burning practices are common in tribal lands posing potential health to communities located nearby. Open dumping enables plague propagation, infection transmission, wildfire fire generation, greenhouse gas emission, water and solid ecosystems pollution, and bad odor emissions among other undesired effects. Open burning in addition to producing typical combustion products (e.g., carbon monoxide, carbon dioxide, water vapor, hydrogen sulfide) generates products of incomplete combustion. Products of incomplete combustion include greenhouse gases, reactive trace gases, VOCs, semi-VOCs, dioxins, and other toxic compounds, ashes, and particulate matter. Secondary microplastics are a potential product of incomplete combustion. Secondary microplastics are plastic materials generated by the fragmentation of larger plastic pieces. Despite the disparities in infrastructure that increase the likelihood of microplastics generation on tribal lands, their occurrence due to open burning practices and their effect on environment and health in tribal lands is largely unknown. We hypothesize that open dumping and burning practices generate and propagate microplastics and toxic VOCs in air, water, and soil enabling the exposure of communities located in proximity to waste disposal sites. The goal of the proposed project is to better understand the disparate environmental and health impacts of dumping and burning in tribal communities. We will partner with communities in Crow, Navajo, and Cheyenne River Sioux Tribe for this investigation. We propose the following specific aims: Specific Aim 1: Identify changes in physical and chemical properties of plastics from open burning activities and propagation pathways through the environment in lab scale experiments and field Specific Aim 2: Identify the potential exposure pathways and the environmental biophysical impacts of plastics from open burning activities in soil-plant-air systems. Specific Aim 3: Identify patterns in release of VOC, PAH, and dioxins released from open burning activities. Each tribal community likely has unique burning practices, thus the identification of both common and distinct patterns will help inform mitigation strategies that can be applied broadly or can be specifically tailored by community.
项目摘要“露天倾倒和露天焚烧固体废物在产生 “部落土地上的微塑料和不完全燃烧产物” 该研究项目解决了露天倾倒和焚烧在部落土地上造成的两个关键问题: 潜在的二次微塑料的产生,目前正在全球范围内进行深入研究, 对健康和环境的未知影响; 2)挥发性有机化合物(VOC)的产生 其中包括一系列潜在的有毒物质。露天倾倒和焚烧的做法很常见, 对附近社区构成潜在健康威胁的部落土地。公开倾倒使瘟疫得以传播, 传染病传播、野火产生、温室气体排放、水和固体生态系统污染, 和难闻的气味排放等不良影响。露天焚烧除了产生典型的 燃烧产物(例如,一氧化碳、二氧化碳、水蒸气、硫化氢)产生 不完全燃烧的产物。不完全燃烧的产物包括温室气体、反应性气体、 微量气体、挥发性有机化合物、半挥发性有机化合物、二恶英和其他有毒化合物、灰烬和颗粒物。二次 微塑料是不完全燃烧的潜在产物。次级微塑料是塑料材料 由较大的塑料碎片碎片产生。尽管基础设施方面的差距不断扩大, 在部落土地上产生微塑料的可能性,由于露天焚烧的做法, 它们对部落土地上的环境和健康的影响在很大程度上是未知的。我们假设露天倾倒 和燃烧的做法产生和传播微塑料和有毒的挥发性有机化合物在空气中,水和土壤,使 废物处置场附近社区的暴露。拟议项目的目标是 更好地了解倾倒和焚烧部落垃圾对环境和健康的不同影响, 社区.为此,我们将与克罗、纳瓦霍和夏延苏族部落的社区合作 调查我们提出以下具体目标:具体目标1:确定物质和精神方面的变化, 露天燃烧活动和通过环境传播途径产生的塑料化学特性 具体目标2:确定潜在的接触途径和 露天焚烧活动产生的塑料对土壤-植物-空气系统的环境生物物理影响。具体 目标3:确定露天焚烧活动释放挥发性有机化合物、多环芳烃和二恶英的模式。每个部落 社区可能有独特的燃烧做法,因此,确定共同和独特的模式将 帮助制定可广泛应用或可由社区具体定制的缓解战略。

项目成果

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Jorge Gonzalez Estrella其他文献

Jorge Gonzalez Estrella的其他文献

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{{ truncateString('Jorge Gonzalez Estrella', 18)}}的其他基金

Supplement for Role of Environmental Weathering and Gastrointestinal Digestion on the Bioavailability and Toxicity of Microplastic and Cadmium Mixtures
补充环境风化和胃肠消化对微塑料和镉混合物的生物利用度和毒性的作用
  • 批准号:
    10854398
  • 财政年份:
    2023
  • 资助金额:
    $ 27.63万
  • 项目类别:
Role of Environmental Weathering and Gastrointestinal Digestion on the Bioavailability and Toxicity of Microplastic and Cadmium Mixtures - A Platform for Undergraduate Interdisciplinary Training
环境风化和胃肠消化对微塑料和镉混合物的生物利用度和毒性的作用——本科生跨学科培训平台
  • 批准号:
    10580388
  • 财政年份:
    2022
  • 资助金额:
    $ 27.63万
  • 项目类别:
Role of open dumping and open burning of solid waste in the generation of microplastics and products of incomplete combustion on tribal lands
露天倾倒和露天焚烧固体废物在部落土地上产生微塑料和不完全燃烧产物中的作用
  • 批准号:
    10218048
  • 财政年份:
    2015
  • 资助金额:
    $ 27.63万
  • 项目类别:
Role of open dumping and open burning of solid waste in the generation of microplastics and products of incomplete combustion on tribal lands
露天倾倒和露天燃烧固体废物在部落土地上微塑料和不完全燃烧产物的产生中的作用
  • 批准号:
    10589160
  • 财政年份:
    2015
  • 资助金额:
    $ 27.63万
  • 项目类别:
Role of open dumping and open burning of solid waste in the generation of microplastics and products of incomplete combustion on tribal lands
露天倾倒和露天燃烧固体废物在部落土地上微塑料和不完全燃烧产物的产生中的作用
  • 批准号:
    10062402
  • 财政年份:
    2015
  • 资助金额:
    $ 27.63万
  • 项目类别:

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